Finding the Fourth Proportional to 121,344,906.20, 182,017,359.30 and 44,722,923.80
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Solution
The fourth proportional to 121,344,906.20, 182,017,359.30 and 44,722,923.80 is: 67,084,385.70
Step by Step Solution
- Step 1: Write the proportion equation
121,344,906.20 : 182,017,359.30 = 44,722,923.80 : x - Step 2: Convert to fraction form
121,344,906.20/182,017,359.30 = 44,722,923.80/x - Step 3: Cross multiply
121,344,906.20x = 182,017,359.30 × 44,722,923.80 - Step 4: Simplify right side
121,344,906.20x = 8,140,348,490,251,121 - Step 5: Solve for x
x = 8,140,348,490,251,121/121,344,906.20 - Step 6: Final answer
x = 67,084,385.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.